Manufacture/repair of process control equipment and related products

This sub-class includes the manufacture and/or repair of process control equipment and/or related products, for instance: - radiation detection and/or monitoring instruments - humidistats - hydronic limit controls - mine detectors, pulse (signal) generators, metal detectors - environmental controls and/or automatic controls for appliances - motion detectors - flame and/or burner control - sensors and/or sensing equipment This sub-class also includes the installation of industrial process control equipment.